Bump slf4j.version from 1.7.28 to 1.7.30

Bumps `slf4j.version` from 1.7.28 to 1.7.30.

Updates `slf4j-simple` from 1.7.28 to 1.7.30
- [Release notes](https://github.com/qos-ch/slf4j/releases)
- [Commits](qos-ch/slf4j@v_1.7.28...v_1.7.30)

Updates `slf4j-api` from 1.7.28 to 1.7.30
- [Release notes](https://github.com/qos-ch/slf4j/releases)
- [Commits](qos-ch/slf4j@v_1.7.28...v_1.7.30)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

pom.xml

@@ -9,7 +9,7 @@
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>
         <junit.version>5.6.2</junit.version>
-        <slf4j.version>1.7.28</slf4j.version>
+        <slf4j.version>1.7.30</slf4j.version>
     </properties>
 
     <modules>